Center hole punching device for camshaft machining

Abstract

The utility model relates to a center hole punching device for camshaft machining, which comprises a bottom plate, a vertical plate is fixed on the upper surface of the bottom plate, a dust cleaning mechanism is arranged on the left side of the vertical plate, a top plate is fixed at the top end of the vertical plate, a punching device is fixed on the upper surface of the top plate, and an electric push rod is fixed on the upper surface of the bottom plate. A moving plate is fixed to the outer side of an output shaft of the electric push rod, and a fixing mechanism is arranged above the moving plate. According to the center hole punching device for cam shaft machining, when the punching device punches a cam shaft, a draught fan is started, the interior of the mounting box is vacuumized to generate negative pressure, chippings generated during punching are pumped into the mounting box through a hollow pipe, the chippings are filtered through an obliquely-arranged filter screen, the draught fan is prevented from being damaged, an air spraying head sprays air to the punching end of the punching device, and the punching efficiency is improved. And heat dissipation can be conducted on the punching end of the punching device, and the problem that the health of workers is affected due to the fact that too many chippings are easily inhaled into the bodies of the workers is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of camshaft processing equipment, in particular to a center hole drilling device for camshaft processing. Background Art

[0002] The camshaft is a component in a piston engine. Its function is to control the opening and closing of the valves. Although the speed of the camshaft in a four-stroke engine is half that of the crankshaft, and the speed of the camshaft in a two-stroke engine is the same as the crankshaft, its speed is usually still very high and it needs to withstand a large torque. Therefore, the design has very high requirements for the strength and support of the camshaft. Its material is generally high-quality alloy steel or alloy steel. Since the movement of the valve is related to the power and operating characteristics of an engine, the camshaft design occupies a very important position in the design process of the engine, and the cam of the camshaft needs to be punched during the processing for further assembly and processing.

[0003] For example, Chinese patent CN 210475646 U discloses a center hole drilling device for camshaft processing, including a support box, a processing table and a punching machine assembly are fixedly installed on the top of the support box, and the punching machine assembly is located on the rear side of the processing table, a first through hole is penetrated through the top and bottom surfaces of the processing table, a first electric hydraulic rod is fixedly installed inside the support box, and a connecting plate is fixedly installed on the output end of the first electric hydraulic rod.

[0004] The above-mentioned center hole drilling device for camshaft processing still has certain shortcomings. Although it achieves the goal of ensuring processing accuracy by stably clamping camshafts with different cam specifications and is more flexible to use, a large amount of debris will be generated when the camshaft is center-hole drilled. When there are too many debris, it is easy to be inhaled into the body by the workers, affecting the health of the workers. Therefore, the present application proposes a center hole drilling device for camshaft processing to solve the above-mentioned problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a center hole drilling device for camshaft processing, which has the advantage of cleaning the debris generated during processing, thereby solving the problem that a large amount of debris is generated when the camshaft is center hole drilled, and too much debris is easily inhaled into the body by the workers, thus affecting the health of the workers.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a center hole punching device for camshaft processing, comprising a bottom plate, a vertical plate is fixed to the upper surface of the bottom plate, a dust cleaning mechanism is provided on the left side of the vertical plate, a top plate is fixed to the top of the vertical plate, a punching device is fixed to the upper surface of the top plate, an electric push rod is fixed to the upper surface of the bottom plate, a moving plate is fixed to the outer side of the output shaft of the electric push rod, and a fixing mechanism is provided above the moving plate;

[0007] The dust cleaning mechanism comprises a box body fixed on the left side of the vertical plate, a fan is fixed on the left side of the vertical plate, an exhaust end of the fan is connected to an exhaust pipe, a mounting box is fixed on the left side of the vertical plate, a filter is installed inside the mounting box, a connecting pipe is fixedly connected to the upper surface of the mounting box, a hollow pipe is fixed to the right side of the vertical plate, and a transmission pipe is fixedly connected to the lower surface of the box body;

[0008] The fixing mechanism comprises a base fixed on the upper surface of the moving plate, the inner bottom wall of the inner cavity of the base is provided with a placement groove, and the bottom wall of the inner cavity of the placement groove is fixed with a strong magnetic plate.

[0009] Furthermore, a support plate is fixed to the right side of the movable plate, and two fixed plates are fixed to the lower surface of the bottom plate.

[0010] Furthermore, the dust cleaning mechanism includes a plurality of blocks fixed on the left side of the installation box and the upper surface of the top plate, and the transmission pipe is fixed in the plurality of blocks.

[0011] Furthermore, the filter screen is fixed to the inner wall of the inner cavity of the installation box by bolts and is placed obliquely, and the connecting pipe is fixedly connected to the left side of the hollow pipe.

[0012] Furthermore, the exhaust pipe is fixedly connected to the lower surface of the installation box, and the transmission pipe is fixedly connected to a nozzle on a side away from the box body.

[0013] Furthermore, the fan is located in a box body, a mounting opening is provided on the front of the mounting box, and a box door is hingedly connected to the inner wall of the inner cavity of the mounting opening by a hinge.

[0014] Furthermore, a camshaft processing seat is movably fitted on the inner wall of the inner cavity of the base, and a camshaft groove is formed on the upper surface of the camshaft processing seat.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] 1. The camshaft processing center hole punching device, when the punching device punches the camshaft, starts the fan to evacuate the inside of the installation box to generate negative pressure, uses a hollow tube to draw the debris generated by the punching into the inside of the installation box, and uses an inclined filter to filter it to avoid damaging the fan, and sprays gas on the punching end of the punching device through the jet head to dissipate heat from the punching end of the punching device.

[0017] 2. The center hole drilling device for camshaft processing can select different camshaft processing seats according to different camshafts. The camshaft processing seat is placed inside the base, and then the strong magnetic plate is energized. At this time, the strong magnetic plate firmly adsorbs the camshaft processing seat to fix the camshaft processing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the dust cleaning mechanism of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the installation box structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the fixing mechanism of the utility model.

[0022] In the figure: 1 bottom plate, 2 cleaning mechanism, 201 box body, 202 fan, 203 exhaust pipe, 204 installation box, 205 filter screen, 206 connecting pipe, 207 hollow pipe, 208 transmission pipe, 3 vertical plate, 4 fixing mechanism, 401 base, 402 placement slot, 403 strong magnetic plate, 5 top plate, 6 punching device, 7 electric push rod, 8 moving plate, 9 fixed plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1A center hole punching device for camshaft processing in this embodiment includes a bottom plate 1, a vertical plate 3 is fixed to the upper surface of the bottom plate 1, a dust cleaning mechanism 2 is provided on the left side of the vertical plate 3, a top plate 5 is fixed to the top of the vertical plate 3, a punching device 6 is fixed to the upper surface of the top plate 5, an electric push rod 7 is fixed to the upper surface of the bottom plate 1, a movable plate 8 is fixed to the outer side of the output shaft of the electric push rod 7, the movable plate 8 is moved upward by starting the electric push rod 7, and a fixing mechanism 4 is provided above the movable plate 8.

[0025] A supporting plate is fixed to the right side of the movable plate 8 , and two fixing plates 9 are fixed to the lower surface of the bottom plate 1 .

[0026] See also Figure 2-3 In order to collect the debris generated by punching, the cleaning mechanism 2 in this embodiment includes a box body 201 fixed on the left side of the vertical plate 3, a fan 202 is fixed on the left side of the vertical plate 3, the exhaust end of the fan 202 is connected to the exhaust pipe 203, an installation box 204 is fixed on the left side of the vertical plate 3, a filter screen 205 is installed inside the installation box 204, a connecting pipe 206 is fixed on the upper surface of the installation box 204, a hollow tube 207 is fixed on the right side of the vertical plate 3, and a transmission pipe 208 is fixed on the lower surface of the box body 201.

[0027] In this example, the dust cleaning mechanism 2 includes a plurality of blocks fixed on the left side of the installation box 204 and the upper surface of the top plate 5, the transmission pipe 208 is fixed in the plurality of blocks, the filter screen 205 is fixed to the inner wall of the inner cavity of the installation box 204 by bolts and is placed obliquely, and the inclined filter screen 205 can be used for filtering to avoid damaging the fan 202, the connecting pipe 206 is fixedly connected to the left side of the hollow pipe 207, and the exhaust pipe 203 is fixedly connected to the lower surface of the installation box 204, and the punching device 6 is started to work. When the punching device 6 punches holes in the camshaft, the fan is started. The fan 202 evacuates the interior of the installation box 204 to generate negative pressure, and uses the hollow tube 207 to draw the debris generated by the punching into the interior of the installation box 204. The transmission tube 208 is fixedly connected to a nozzle on the side away from the box body 201. The gas entering the interior of the fan 202 is transmitted to the interior of the transmission tube 208, and the gas is sprayed on the punching end of the punching device 6 through the nozzle, which can dissipate heat from the punching end of the punching device 6. The fan 202 is located in the box body 201, and an installation port is opened on the front of the installation box 204. The inner wall of the inner cavity of the installation port is hinged with a box door through a hinge.

[0028] It should be noted that when the punching device 6 punches holes on the camshaft, the fan 202 is started to evacuate the interior of the installation box 204 to generate negative pressure, and the hollow tube 207 is used to draw the debris generated by the punching into the interior of the installation box 204, and the inclined filter screen 205 can be used to filter it to avoid damaging the fan 202. The gas is sprayed onto the punching end of the punching device 6 through the jet head, which can dissipate the heat of the punching end of the punching device 6.

[0029] See also Figure 4 In order to process the camshaft, the fixing mechanism 4 in this embodiment includes a base 401 fixed on the upper surface of the movable plate 8, the inner bottom wall of the inner cavity of the base 401 is provided with a placement groove 402, and the bottom wall of the inner cavity of the placement groove 402 is fixed with a strong magnetic plate 403.

[0030] In this example, a camshaft processing seat is movably fitted on the inner wall of the inner cavity of the base 401, and the camshaft to be processed is placed inside the camshaft processing seat. Different camshaft processing seats can be selected according to different camshafts. A camshaft groove is provided on the upper surface of the camshaft processing seat. The camshaft processing seat is placed inside the base 401, and then the strong magnetic plate 403 is energized. At this time, the strong magnetic plate 403 firmly adsorbs the camshaft processing seat to fix the camshaft processing seat.

[0031] It should be noted that different camshaft processing seats can be selected according to different camshafts. The camshaft processing seat is placed inside the base 401, and then the strong magnetic plate 403 is energized. At this time, the strong magnetic plate 403 firmly adsorbs the camshaft processing seat to fix the camshaft processing seat.

[0032] It can be understood that the electrical components appearing in the text are all electrically connected to the main controller and the power supply and the electrical components appearing in the text are all conventionally known devices, and this application will not go into too much detail. The main controller can be a conventionally known device that plays a control role for a computer, etc. The control circuit of the main controller can be realized by simple programming by technicians in this field, and the provision of power supply is also common knowledge in this field. In addition, the utility model is mainly used to protect mechanical devices, so the utility model will not explain the control method and circuit connection in detail. At the same time, the parts not described in detail in the utility model are all common knowledge to technicians in this field.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0034] The working principle of the above embodiment is:

[0035] (1) When the center hole drilling device for camshaft processing is needed, the camshaft to be processed is placed inside the camshaft processing seat. Different camshaft processing seats can be selected according to different camshafts. The camshaft processing seat is placed inside the base 401, and then the strong magnetic plate 403 is energized. At this time, the strong magnetic plate 403 firmly adsorbs the camshaft processing seat to fix the camshaft processing seat.

[0036] (2) Then, the electric push rod 7 is started and the punching device 6 is started to start working. When the punching device 6 punches the camshaft, the fan 202 is started to evacuate the inside of the installation box 204 to generate negative pressure. The hollow tube 207 is used to draw the debris generated by the punching into the inside of the installation box 204, and the inclined filter 205 is used to filter it to avoid damaging the fan 202. The gas entering the fan 202 is transmitted to the inside of the transmission tube 208, and the gas is sprayed onto the punching end of the punching device 6 through the nozzle, which can dissipate heat from the punching end of the punching device 6.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A center hole drilling device for camshaft processing, comprising a base plate (1), characterized in that: A vertical plate (3) is fixed on the upper surface of the bottom plate (1), a dust cleaning mechanism (2) is provided on the left side of the vertical plate (3), a top plate (5) is fixed on the top of the vertical plate (3), a punching device (6) is fixed on the upper surface of the top plate (5), an electric push rod (7) is fixed on the upper surface of the bottom plate (1), a movable plate (8) is fixed on the outer side of the output shaft of the electric push rod (7), and a fixing mechanism (4) is provided above the movable plate (8); The dust cleaning mechanism (2) comprises a box body (201) fixed on the left side of the vertical plate (3); a fan (202) is fixed on the left side of the vertical plate (3); an exhaust end of the fan (202) is connected to an exhaust pipe (203); a mounting box (204) is fixed on the left side of the vertical plate (3); a filter screen (205) is installed inside the mounting box (204); a connecting pipe (206) is fixedly connected to the upper surface of the mounting box (204); a hollow pipe (207) is fixed on the right side of the vertical plate (3); and a transmission pipe (208) is fixedly connected to the lower surface of the box body (201); The fixing mechanism (4) comprises a base (401) fixed on the upper surface of the movable plate (8), the inner bottom wall of the inner cavity of the base (401) is provided with a placement groove (402), and the bottom wall of the inner cavity of the placement groove (402) is fixed with a strong magnetic plate (403).

2. The center hole drilling device for camshaft processing according to claim 1, characterized in that: A support plate is fixed to the right side of the movable plate (8), and two fixed plates (9) are fixed to the lower surface of the bottom plate (1).

3. The center hole drilling device for camshaft processing according to claim 1, characterized in that: The dust cleaning mechanism (2) comprises a plurality of blocks fixed on the left side of the installation box (204) and the upper surface of the top plate (5), and the transmission pipe (208) is fixed in the plurality of blocks.

4. The center hole drilling device for camshaft machining according to claim 1, characterized in that: The filter screen (205) is fixed to the inner wall of the inner cavity of the installation box (204) by bolts and is placed obliquely, and the connecting pipe (206) is fixedly connected to the left side of the hollow pipe (207).

5. The center hole drilling device for camshaft machining according to claim 1, characterized in that: The exhaust pipe (203) is fixedly connected to the lower surface of the installation box (204), and the side of the transmission pipe (208) away from the box body (201) is fixedly connected to an injection nozzle.

6. The center hole drilling device for camshaft machining according to claim 1, characterized in that: The fan (202) is located in the box body (201), and a mounting opening is provided on the front of the mounting box (204), and a box door is hingedly connected to the inner wall of the inner cavity of the mounting opening via a hinge.

7. The center hole drilling device for camshaft machining according to claim 1, characterized in that: A camshaft processing seat is movably fitted on the inner wall of the inner cavity of the base (401), and a camshaft groove is provided on the upper surface of the camshaft processing seat.

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